145665260 has 48 divisors (see below), whose sum is σ = 340804800. Its totient is φ = 51926784.

The previous prime is 145665259. The next prime is 145665269. The reversal of 145665260 is 62566541.

It is a self number, because there is not a number n which added to its sum of digits gives 145665260.

It is not an unprimeable number, because it can be changed into a prime (145665269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2120 + ... + 17199.

It is an arithmetic number, because the mean of its divisors is an integer number (7100100).

Almost surely, 2^145665260 is an apocalyptic number.

145665260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

145665260 is an abundant number, since it is smaller than the sum of its proper divisors (195139540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

145665260 is a wasteful number, since it uses less digits than its factorization.

145665260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19370 (or 19368 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 35.

The square root of 145665260 is about 12069.1863851711. The cubic root of 145665260 is about 526.1610103361.

The spelling of 145665260 in words is "one hundred forty-five million, six hundred sixty-five thousand, two hundred sixty".